Pith Number

pith:4MHGVD6X

pith:2026:4MHGVD6XTW2WL5MDVON2E56EE7

not attested not anchored not stored refs pending

ESPO: Early-Stopping Proximal Policy Optimization

Binhua Li, Jieping Ye, Rui Zhou, Tong Yang, Wenhan Yu, Yingcheng Shi, Yongbin Li, Zeming Li, Zhewen Tan, Zihang Li, Zixiang Liu

arxiv:2605.29860 v1 · 2026-05-28 · cs.LG · cs.AI

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4MHGVD6XTW2WL5MDVON2E56EE7}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-29T02:05:56.557375Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e30e6a8fd79db565f583ab9ba277c427daa1f8a57e062a0b075b7ac6bd042c17

Aliases

arxiv: 2605.29860 · arxiv_version: 2605.29860v1 · doi: 10.48550/arxiv.2605.29860 · pith_short_12: 4MHGVD6XTW2W · pith_short_16: 4MHGVD6XTW2WL5MD · pith_short_8: 4MHGVD6X

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/4MHGVD6XTW2WL5MDVON2E56EE7 \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: e30e6a8fd79db565f583ab9ba277c427daa1f8a57e062a0b075b7ac6bd042c17

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9517ae5873ac93c95187f1676cb8d1728316a8c905e568982f01ba53661afb46",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-05-28T12:40:22Z",
    "title_canon_sha256": "760400c9737ed52fdd60eaff456f27b525f94f56c826480947450ac3f9aa18f5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.29860",
    "kind": "arxiv",
    "version": 1
  }
}